EP0137917A1 - Angle-connection for panels, especially furniture panels - Google Patents

Angle-connection for panels, especially furniture panels Download PDF

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Publication number
EP0137917A1
EP0137917A1 EP84107970A EP84107970A EP0137917A1 EP 0137917 A1 EP0137917 A1 EP 0137917A1 EP 84107970 A EP84107970 A EP 84107970A EP 84107970 A EP84107970 A EP 84107970A EP 0137917 A1 EP0137917 A1 EP 0137917A1
Authority
EP
European Patent Office
Prior art keywords
bolt
connector according
corner connector
stop
corner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84107970A
Other languages
German (de)
French (fr)
Other versions
EP0137917B1 (en
Inventor
Gustav Erlebach
Roland Hölze
Gerhard Koch
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Haefele KG
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Haefele KG
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Filing date
Publication date
Application filed by Haefele KG filed Critical Haefele KG
Priority to AT84107970T priority Critical patent/ATE29278T1/en
Publication of EP0137917A1 publication Critical patent/EP0137917A1/en
Application granted granted Critical
Publication of EP0137917B1 publication Critical patent/EP0137917B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
    • F16B12/2009—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion
    • F16B12/2027—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with rotating excenters or wedges
    • F16B12/2036—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with rotating excenters or wedges with rotating excenters or wedges acting on a head of a pin or screw
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
    • F16B12/2009—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B2012/106—Connection bolts for connection fittings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
    • F16B12/2009—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion
    • F16B2012/2018—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion pin and drum securing device; drum has cam surface to engage the head of the pin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/65—Miter joints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/55—Member ends joined by inserted section
    • Y10T403/555—Angle section

Definitions

  • two plates that are at an angle to one another are connected by butt-fitting one edge of the plate onto the surface of the other plate, the connection being secured by screws or other releasable clamping connections.
  • the edges of miter joints are mitred and then put together.
  • the connection by screws or the like is also possible here, the edges are greatly weakened by the miter cut, so that there is a fear of the material breaking away under increased stress. It has therefore started to use corner connectors consisting of an angled bolt.
  • the known execution forms of this type have not proven themselves, however, since they are a perfect fit Assembling, especially with detachable connections, could not be achieved.
  • the present invention is based on the known angled bolts as corner connectors, the task being to create a connection in which a precise superimposition of the miter edges is ensured and, if necessary, a perfect assembly is always possible even after repeated loosening.
  • This is achieved according to the invention by arranging at least one stop in the corner region of the bolt.
  • One can now push one end of the bolt into a corresponding hole in one plate as far as it will go, the stop ensuring a precise position of the other end of the bolt and when the other plate is pushed on, a matching overlap of the miter edges is achieved.
  • the stop can dig into the material of the plate, which results in an excellent rotation lock.
  • the stop is preferably arranged at an angle corresponding to the miter angle of the plates, as a result of which the tight and precise contact of the edges is ensured even better.
  • the stop can surround the bolt in a ring shape or else be star-shaped, the star shape having the advantage that the individual prongs can dig into the material even better.
  • the tines are preferably lance-shaped with broad convex surfaces.
  • the bolt shafts taper to the both sides starting from the corner area.
  • the bolt ends can be designed differently depending on the type of connection desired. You can either design it as a barbed shank or arrange a tightening head that may be screwed into an internal thread of the bolt end with an extended shank.
  • a preferred miter angle is the right angle for furniture panels or in furniture construction.
  • miter angles which in principle pose the same problems as with the 90 ° miter angle.
  • the angle could theoretically also be 180 °.
  • a corner connection with this corner connector is of course also possible, in which the plates enclose an angle of less than 90 °. Due to the stepless adjustment of the two bolt shafts, this corner connector can be used universally for any miter angle between the two plates.
  • the two are Eolzen2020fte the second Aus colbrungsform the inventions dun g around a ouer extending to their longitudinal axes Drehach se articulated together. Because of this swivel joint, two mitred plates can be held together securely and precisely, the miter angle need not necessarily be 90 °, but, as described, can be larger or smaller.
  • the advantages of this corner connector are exactly the same as in the embodiment with rigid pin shafts. In particular, repeated loosening with subsequent joining is also possible here, because the mitred edges always lie exactly on top of each other again.
  • a further development of the invention provides that the two ends of the axis of rotation protrude beyond the bolt shanks and the projecting bolt ends are each designed as the stop in the corner area. This allows the axis of rotation for the two bolt shafts to be used in two ways. After these stops also have a certain thickness, they can dig somewhat into the material on both sides, like the stop of the first embodiment, when the miter joint is contracted.
  • a particularly preferred embodiment of the invention provides that the two ends of the axis of rotation are plate-shaped, so that a sufficiently large contact surface is obtained.
  • one bolt shaft has a central inner bearing eye and the other has two spaced-apart outer bearing eyes, the distance of which corresponds to the thickness of the inner bearing eye.
  • a convenient and simple manufacturing method is assigned to the appropriate shape. In this.
  • the bearing eyelets are of course integrally formed on their shank.
  • the plates 1 and 2 have miter cut, abutting edges 3.
  • the connection of the two plates 1, 2 is secured by a corner connector 4, which is designed as an angled bolt.
  • the corner connector 4 has a star-shaped stop 6, which is arranged at the same angle as the miter cut 3, so that the stop 6 comes to lie in this miter cut 3.
  • the individual prongs 7 of the star-shaped stop 5 are lance-tip-shaped, the broad surfaces 8 being convex. In this way, the individual prongs 7 can dig particularly well into the material of the plates 1, 2.
  • the two bolt shafts 9 and 10 taper from their corner area 5 towards their free ends.
  • the ends can be shaped differently.
  • the bolt shaft 9 is provided with barbs 11 and in this way is designed as an impact shaft.
  • the shaft part 13 is screwed to the internal thread 14 of the bolt end 10.
  • the tightening of the suit loops 12 is carried out by a tensioning element 15 of a conventional type, the function of which is not shown in further detail.
  • the two plates 16 and 17 (FIG. 7) or 18 and 19 (FIG. 8) connected by corner connectors according to FIG. 4 are also mitered, however the miter angle in the case of FIG. 7 is approximately 120 °, while at 8 a right miter angle is provided. For this reason, the bsw. 7 are spread apart more than in the corner connection according to FIG. 8.
  • the two bolt shafts 20 and 21, which, as in the exemplary embodiment, can taper towards the free end, are articulated according to the invention about an axis of rotation 22 extending to their longitudinal axes.
  • the axis of rotation 22 has a folzen shape and its geometric axis is perpendicular to the longitudinal axes of the two bolt shafts 20 and 21. It is longer than the diameter or the thickness of the two bolt shafts, so that both ends protrude outwards.
  • These two projecting bolt ends each form the stop 23 or 24 in the corner area. Because these two ends are flattened, a plate-like spatula-like stop is created.
  • the widening also axially secures the bolt or the axis of rotation in the bearing bores of the two pole shafts. This rotatable mounting of the axis of rotation is necessary so that the stops can lie flat against the plate edges or miter surfaces 25 and 26, respectively. So this corner connector is self-aligning.
  • One pin shaft 21 has a central inner bearing eye 27, while the other pole shaft 20 has two outer bearing eyes 28 and 29 arranged at a distance from one another. Their distance corresponds to the thickness of the inner bearing eyelet, as FIG. 5 clearly shows the drawing g .
  • These eyelets are integrally molded on their shafts.
  • a tightening head 30 and 31 are provided on both ends of the bolt shafts 20 and 21 in the exemplary embodiment of the second embodiment of the invention.
  • This suit head is made in one piece with the bolt shank 20 and 21 with its supporting neck.
  • Each tightening head 30, 31 works, as in the embodiment of FIG. 1, with a clamping element 32 or 33, which is inserted into a hole made perpendicular to the plane of the plate 16 or 17, which is perpendicular to the receiving bore for the bolt shaft 20 or 21 extends.

Abstract

Bei der Verbindung von rechtwinklig zueinander angeordneten Platten (1, 2), insbesondere Möbelplatten, mit auf Gehrung verlaufenden Kanten (3) wird ein abgewinkelter Bolzen (4) zur Sicherung dieser Verbindung verwendet. Damit die Gehrungskanten (3) aneinander zu liegen kommen ist es erforderlich, die Lage der Bolzenenden (9, 10) in den Platten (1, 2) genau festzulegen. Dies wird durch die Anordnung eines Anschlages (6) im Eckbereich (5) des Bolzens (4) erreicht. Dabei ist der Anschlag (6) in einem dem Gehrungswinkel (3) entsprechenden Winkel angeordnet. Er kann ring- oder sternförmig ausgebildet sein. Um auch Platten (1,2) miteinander verbinden zu können, die keinen rechten Winkel einschließen, sind gemäß einer vorteilhaften Weiterbildung dieses Eckverbinders die beiden Bolzenschäfte (20, 21) um eine sich quer zu ihrer Längsachse erstreckende Drehachse (22) gelenkig miteinander verbunden, wobei die beiden Enden der Drehachse die Bolzenschäfte überragen und die überstehenden Bolzenenden jeweils als der Anschlag (23, 24) im Eckbereich ausgebildet sind. Dieser Anschlag bzw. diese beiden Anschläge stellen sich jeweils selbsttätig gegenüber der Gehrungsebene ein.When connecting panels (1, 2) arranged at right angles to one another, in particular furniture panels, with mitred edges (3), an angled bolt (4) is used to secure this connection. So that the miter edges (3) come to lie against each other, it is necessary to precisely define the position of the bolt ends (9, 10) in the plates (1, 2). This is achieved by arranging a stop (6) in the corner area (5) of the bolt (4). The stop (6) is arranged at an angle corresponding to the miter angle (3). It can be ring-shaped or star-shaped. In order to also be able to connect plates (1, 2) which do not enclose a right angle, the two bolt shafts (20, 21) are articulated to one another about an axis of rotation (22) extending transversely to their longitudinal axis, according to an advantageous development of this corner connector, the two ends of the axis of rotation projecting beyond the pin shafts and the projecting pin ends are each designed as the stop (23, 24) in the corner area. This stop or these two stops are automatically set in relation to the miter plane.

Description

Die Verbindung von zwei winklig zueinander stehenden Platten erfolgt im einfachsten Fall durch ein stumpfes Aufsetzen der einen Plattenkante auf die Oberfläche der anderen Platte, wobei die Verbindung durch Schrauben oder andere lösbare Spannverbindungen gesichert wird. Für Güter höheren Bedarfs werden bei Eckverbindungen zweier Platten deren Kanten auf Gehrung geschnitten und dann aneinander gesetzt. Zwar ist auch hier die Verbindung durch Schrauben od. dgl. möglich, jedoch sind die Kanten durch den Gehrungsschnitt stark geschwächt, so daß bei erhöhter Beanspruchung ein Ausbrechen des Materials befürchtet werden muß. Man ist daher dazu übergegangen, aus einem abgewinkelten Bolzen bestehende Eckverbinder zu verwenden. Die bekannten Ausführungsfornen dieser Art haben sich jedoch nicht bewährt, da mit ihnen ein paßgenaues Zusammensetzen, insbesondere bei lösbaren Verbindungen, nicht erreicht werden konnte.In the simplest case, two plates that are at an angle to one another are connected by butt-fitting one edge of the plate onto the surface of the other plate, the connection being secured by screws or other releasable clamping connections. For goods with higher requirements, the edges of miter joints are mitred and then put together. Although the connection by screws or the like is also possible here, the edges are greatly weakened by the miter cut, so that there is a fear of the material breaking away under increased stress. It has therefore started to use corner connectors consisting of an angled bolt. The known execution forms of this type have not proven themselves, however, since they are a perfect fit Assembling, especially with detachable connections, could not be achieved.

Die vorliegende Erfindung geht von den bekannten abgewinkelten Bolzen als Eckverbinder aus, wobei die Aufgabe vorliegt, eine Verbindung zu schaffen, bei der ein genaues Aufeinanderliegen der Gehrungskanten gewährleistet ist und gegebenenfalls auch nach mehrmaligem Lösen immer wieder ein einwandfreies Zusammenfügen möglich ist. Dies wird erfindungsgemäß durch die Anordnung mindestens eines Anschlages im Eckbereich des Bolzens erreicht. Man kann nunmehr das eine Bolzenende in eine entsprechende Bohrung der einen Platte bis zum Anschlag einschieben, wobei durch den Anschlag eine genaue Lage des anderen Bolzenendes gewährleistet ist und beim Aufschieben der anderen Platte ein paßgerechtes Aufeinanderliegen der Cehrungskanten erreicht wird. Der Anschlag kann sich dabei in das Material der Platte eingraben, wodurch sich eine ausgezeichnete Drehsicherung ergibt.The present invention is based on the known angled bolts as corner connectors, the task being to create a connection in which a precise superimposition of the miter edges is ensured and, if necessary, a perfect assembly is always possible even after repeated loosening. This is achieved according to the invention by arranging at least one stop in the corner region of the bolt. One can now push one end of the bolt into a corresponding hole in one plate as far as it will go, the stop ensuring a precise position of the other end of the bolt and when the other plate is pushed on, a matching overlap of the miter edges is achieved. The stop can dig into the material of the plate, which results in an excellent rotation lock.

Vorzugsweise ist der Anschlag in einem den Gehrungswinkel der Platten entsprechenden Winkel angeordnet, wodurch das satte und genaue Anliegen der Kanten noch besser gewährleistet wird. Der Anschlag kann den Bolzen ringförmig umgeben oder aber sternförmig ausgebildet sein, wobei die Sternform den Vorteil hat, daß sich die einzelnen Zacken noch besser in das Material eingraben können. Die Zacken sind dabei vorzugsweise lanzenspitzenförmig mit konvexen Breitflächen ausgebildet.The stop is preferably arranged at an angle corresponding to the miter angle of the plates, as a result of which the tight and precise contact of the edges is ensured even better. The stop can surround the bolt in a ring shape or else be star-shaped, the star shape having the advantage that the individual prongs can dig into the material even better. The tines are preferably lance-shaped with broad convex surfaces.

Um beim Einschieben der Folzenenden eine Zentrierung der Folzen in der Platte zu erreichen, verjüngen sich die Bolzenschäfte vom Eckbereich ausgehend nach beiden Seiten hin. Die Bolzenenden können unterschiedlich je nach Art der gewünschten Verbindung ausgebildet sein. Entweder kann man sie als Einschlagschaft mit Widerhaken gestalten oder aber einen Anzugskopf anordnen, der gegebenenfalls mit einem verlängerten Schaft in ein Innengewinde des Bolzenendes eingeschraubt ist.In order to achieve a centering of the sheets in the plate when inserting the ends of the sheet, the bolt shafts taper to the both sides starting from the corner area. The bolt ends can be designed differently depending on the type of connection desired. You can either design it as a barbed shank or arrange a tightening head that may be screwed into an internal thread of the bolt end with an extended shank.

Ein bevorzugter Gehrungswinkel ist bei Möbelplatten bzw. im Möbelbau der rechte Winkel. Es kommen aber auch andere Gehrungswinkel vor, bei denen sich im Prinzip die gleichen Probleme stellen wie beim 90°-Gehrungswinkel. Mit der zweiten Ausführungsform der Erfindung lassen sich auch solche von 90° abweichende Gehrungswinkel beherrschen, wobei der Winkel theoretisch auch 180° betragen könnte. Umgekehrt ist natürlich auch eine Eckverbindung mit diesem Eckverbinder möglich, bei dem die Platten einen Winkel von weniger als 90° einschließen. Aufgrund der stufenlosen Verstellmöglichkeit der beiden Bolzenschafte ist dieser Eckverbinder ganz universell für jeden vorkommenden Gehrungswinkel zwischen den beiden Platten brauchbar.A preferred miter angle is the right angle for furniture panels or in furniture construction. However, there are other miter angles, which in principle pose the same problems as with the 90 ° miter angle. With the second embodiment of the invention, such miter angles deviating from 90 ° can also be controlled, the angle could theoretically also be 180 °. Conversely, a corner connection with this corner connector is of course also possible, in which the plates enclose an angle of less than 90 °. Due to the stepless adjustment of the two bolt shafts, this corner connector can be used universally for any miter angle between the two plates.

Während beim ersten Ausführungsbeispiel die Bolzenschäfte und der Anschlag in zweckmäßiger Weise einstückig gefertigt sind, sind die beiden Eolzenschäfte der zweiten Ausfübrungsform der Erfin- dung um eine sich ouer zu ihren Längsachsen erstreckende Drehachse gelenkig miteinander verbunden. Aufgrund dieses Drehgelenks lassen sich gemäß den vorstehenden Ausführungen zwei auf Gehrung zusammengefügte Platten sicher und präzise zusammenhalten, wobei der Gehrungswinkel nicht notwendigerweise 90° betragen muß, sondern, wie geschildert, durchaus größer oder kleiner sein kann. Die Vorteile dieses Eckverbinders sind genau dieselben wie bei der Ausführungsform mit starren Rolzenschäften. Insbesondere ist auch hier ein mehrmaliges Lösen mit nachfolgendem Zusammenfügen möglich, weil die Gehrungskanten imner wieder genau aufeinanderliegen.While the bolt shanks and the abutment are manufactured in one piece in an expedient manner in the first embodiment, the two are Eolzenschäfte the second Ausfübrungsform the inventions dun g around a ouer extending to their longitudinal axes Drehach se articulated together. Because of this swivel joint, two mitred plates can be held together securely and precisely, the miter angle need not necessarily be 90 °, but, as described, can be larger or smaller. The advantages of this corner connector are exactly the same as in the embodiment with rigid pin shafts. In particular, repeated loosening with subsequent joining is also possible here, because the mitred edges always lie exactly on top of each other again.

Eine Weiterbildung der Erfindung sieht vor, daß die beiden Enden der Drehachse die Bolzenschäfte überragen und die überstehenden Bolzenenden jeweils als der Anschlag im Eckbereich ausgebildet sind. Dadurch läßt sich die Drehachse für die beiden Bolzenschäfte in doppelter Weise ausnutzen, Nachdem auch diese Anschläge eine gewisse Dicke haben, können sie sich wie der Anschlag der ersten Ausführungsform beim Zusammenziehen der Gehrungsverbincäung beidseitig etwas in das Material eingraben.A further development of the invention provides that the two ends of the axis of rotation protrude beyond the bolt shanks and the projecting bolt ends are each designed as the stop in the corner area. This allows the axis of rotation for the two bolt shafts to be used in two ways. After these stops also have a certain thickness, they can dig somewhat into the material on both sides, like the stop of the first embodiment, when the miter joint is contracted.

Hierbei sieht eine besonders bevorzugte Ausführungsform der Erfindung vor, daß die beiden Enden der Drehachse plattenförmig gestaltet sind, so daß man eine genügend große Anlagefläche erhält.Here, a particularly preferred embodiment of the invention provides that the two ends of the axis of rotation are plate-shaped, so that a sufficiently large contact surface is obtained.

In cneiterer Ausgestaltung der Erfindung wird vorgeschlagen, daß der eine Bolzenschaft eine mittige innere Lageröse und der andere zwei im Abstand voneinander angeordnete äußere Lagerösen aufweist, deren Abstand der Dicke der inneren Lageröse entspricht. Es entsteht somit ein herkömmliches, einfach aufgebautes und robustes Drehgelenk, Wenn man die beiden Enden der Drehachse erst nach der. Ferstellen dieser Gelenkverbindung zusammenpreßt, um dadurch die plattenförmigen Anschläge zu schaffen, so erhält man automatisch auch eine Sicherung der Gelenkverbindung, weil die zusammengepreßten Fnden breiter sind als der Durchmesser des Materials der Lagerachse. Der zweckmäßigen Formgebung ist demnach eine problenlose und einfache Fertigungsmethode zugeordnet. In diesem. Falle sind natürlich die Lagerösen an ihren Schaft einstückig angeformt.In a further embodiment of the invention it is proposed that one bolt shaft has a central inner bearing eye and the other has two spaced-apart outer bearing eyes, the distance of which corresponds to the thickness of the inner bearing eye. This creates a conventional, simply constructed and robust swivel joint, if you only move the two ends of the axis of rotation after the. Remote this joint presses together, thereby creating the plate-shaped stops, so you automatically get a fuse of the joint, because the compressed Fenden are wider than the diameter of the material of the bearing axis. A convenient and simple manufacturing method is assigned to the appropriate shape. In this. The bearing eyelets are of course integrally formed on their shank.

Die Zeichnung zeigt zwei Ausführungsbeispiele der Erfindung. Es stellen dar:

  • Fig. 1 einen abgebrochenen Querschnitt zweier rechtwinklig zueinander stehender, im Eck verbundener Platten mit teilweise geschnittenem Eckverbinder,
  • Fig. 2 einen Querschnitt des Fckverbinders im Eckbereich,
  • Fig. 3 die abgebrochene Ansicht II nach Fig. 2 eines Eckverbinders,
  • Fig. 4 der Fckverbinder gemäß der zweiten Ausfuhrungsform in seiner gestreckten Lage bei senkrecht zur Bildebene verlaufender Gelenkachse,
  • Fig. 5 eine dementsprechende Darstellung in einer un 60° gedrehten Stellung,
  • Fig. 6 ein Detail der Fig. 5 in Pfeilrichtung 6 gesehen,
  • Fign.7 zwei Einbaubeispiele für den Eckverbinder der Fign. 4 u.8 bis 6 mit unterschiedlichen Gehrungswinkeln.
The drawing shows two embodiments of the invention. They represent:
  • 1 is a broken cross section of two perpendicular to each other, connected in the corner plates with partially cut corner connector,
  • 2 shows a cross section of the corner connector in the corner area,
  • 3 is the broken view II of FIG. 2 of a corner connector,
  • 4 the Fck connector according to the second embodiment in its extended position with the hinge axis running perpendicular to the image plane,
  • 5 is a corresponding representation in a 60 ° rotated position,
  • 6 is a detail of FIG. 5 seen in the direction of arrow 6,
  • Fig. 7 two installation examples for the corner connector of fig. 4 u.8 to 6 with different miter angles.

Die Platten 1 und 2 weisen auf Gehrung geschnittene, aneinander anliegende Kanten 3 auf. Die Verbindung der beiden Platten 1,2 wird durch einen Eckverbinder 4 gesichert, der als abgewinkelter Bolzen ausgebildet ist. In Eckbereich 5 weist der Eckverbinder 4 einen sternförmigen Anschlag 6 auf, welcher im gleichen Winkel wie der Gehrungsschnitt 3 angeordnet ist, so daß der Anschlag 6 in diesen Gehrungsschnitt 3 zu liegen kommt. Wie die Fig. 2 u. 3 erkennen lassen, sind die einzelnen Zacken 7 des sternförmigen Anschlages 5 lanzenspitzenförmig ausgebildet, wobei die Breitflächen 8 konvex gestaltet sind. Auf diese Weise können sich die einzelnen Zacken 7 besonders gut in das Material der Platten 1,2 eingraben.The plates 1 and 2 have miter cut, abutting edges 3. The connection of the two plates 1, 2 is secured by a corner connector 4, which is designed as an angled bolt. In the corner area 5, the corner connector 4 has a star-shaped stop 6, which is arranged at the same angle as the miter cut 3, so that the stop 6 comes to lie in this miter cut 3. As the Fig. 2 u. 3, the individual prongs 7 of the star-shaped stop 5 are lance-tip-shaped, the broad surfaces 8 being convex. In this way, the individual prongs 7 can dig particularly well into the material of the plates 1, 2.

Die beiden Bolzenschäfte 9 und 10 verjüngen sich vom Eckbereich 5 aus gesehen zu ihren freien Enden hin. Die Enden können dabei unterschiedlich geformt sein. Der Bolzenschaft 9 ist mit Widerhaken 11 versehen und auf diese Weise als Einschlagschaft ausgebildet. Dagegen befindet sich am Bolzenende 10 ein Anzugskopf 12, welcher an einem Schaftteil 13 angeordnet ist. Der Schaftteil 13 ist mit dem Innengewinde 14 des Bolzenendes 10 verschraubt. Das Anziehen des Anzugslopres 12 erfolgt durch ein Spannelement 15 üblicher Bauart, dessen Funktion nicht weiter dargestellt ist.The two bolt shafts 9 and 10 taper from their corner area 5 towards their free ends. The ends can be shaped differently. The bolt shaft 9 is provided with barbs 11 and in this way is designed as an impact shaft. In contrast, there is a tightening head 12 at the bolt end 10, which is arranged on a shaft part 13. The shaft part 13 is screwed to the internal thread 14 of the bolt end 10. The tightening of the suit loops 12 is carried out by a tensioning element 15 of a conventional type, the function of which is not shown in further detail.

Fei der Montage der Platten 1,2 werden zunächst entsprechende Bohrungen für die Bolzenenden 9 und 10 vorgenommen und anschliessend das Bolzenende 9 in die Platte 1 eingeschlagen. Durch die konische Gestaltung wird dabei eine einwandfreie Zentrierung erreicht, die Voraussetzung dafür ist, daß die Gehrungskanten 3 genau aufeinander zu liegen kommen. Darauf wird die Platte 2 auf das Bolzenende 10 aufgeschoben, wobei ebenfalls wiederum eine Zentrierung durch die konische Gestaltung erfolgt. Anschließend wird dann der Anzugskopf 12 durch das Spannelement 15 angezogen, so daß eine feste und sichere Verbindung der Platten 1 und 2 erreicht wird.When mounting the plates 1, 2, appropriate holes are first made for the bolt ends 9 and 10 and then the bolt end 9 is hammered into the plate 1. A perfect centering is achieved by the conical design, the prerequisite for this is that the miter edges 3 come to lie exactly on one another. Then the plate 2 is pushed onto the bolt end 10, again centering by the conical design. Then the tightening head 12 is then tightened by the clamping element 15, so that a firm and secure connection of the plates 1 and 2 is achieved.

Die beiden durch Eckverbinder gemäß Fig. 4 verbundenen Platten 16 und 17 (Fig. 7) bzw. 18 und 19 (Fig. 8) sind ebenfalls auf Gehrung geschnitten, jedoch beträgt der Gehrungswinkel im Falle der Fig. 7 etwa 120°, während bei Fig. 8 ein rechter Gehrungswinkel vorgesehen ist. Aus diesem Grunde ist der bsw. sind die Fckverbinder bei der Eckverbindung nach Fig. 7 stärker aufgespreizt als bei der Eckverbindung gemäß Fig. 8.The two plates 16 and 17 (FIG. 7) or 18 and 19 (FIG. 8) connected by corner connectors according to FIG. 4 are also mitered, however the miter angle in the case of FIG. 7 is approximately 120 °, while at 8 a right miter angle is provided. For this reason, the bsw. 7 are spread apart more than in the corner connection according to FIG. 8.

Die beiden Bolzenschäfte 20 und 21, die, wie beim Ausführungsbeispiel, gegen das freie Ende hin konisch zulaufen können, sind erfindungsgenäß um eine sich guer zu ihren Längsachsen erstreckende Drehachse 22 gelenkig miteinander verbunden. Die Drehachse 22 besitzt eine Folzenform und ihre geometrische Achse verläuft senkrecht zu den Längsachsen der beiden Bolzenschäfte 20 und 21. Sie ist länger als der Durchmesser bzw. die Dicke der beiden Bolzenschäfte, so daß beide Enden nach außen überstehen. Diese beiden überstehenden Bolzenenden bilden jeweils den Anschlag 23 bzw. 24 im Eckbereich. Weil diese beiden Enden plattgedrückt sind, entsteht jeweils ein plattenförmiger, spatelartiger Anschlag. Die Verbreiterung bewirkt gleichzeitig eine axiale Sicherung des Bolzens bzw. der Drehachse in den Lagerbohrungen der beiden Polzenschäfte. Diese drehbare Lagerung der Drehachse ist notwendig, damit sich die Anschläge jeweils an die Plattenkanten bzw. Gehrungsflächen 25 und 26 flach anlegen können. Demnach ist also dieser Eckverbinder selbstausrichtend.The two bolt shafts 20 and 21, which, as in the exemplary embodiment, can taper towards the free end, are articulated according to the invention about an axis of rotation 22 extending to their longitudinal axes. The axis of rotation 22 has a folzen shape and its geometric axis is perpendicular to the longitudinal axes of the two bolt shafts 20 and 21. It is longer than the diameter or the thickness of the two bolt shafts, so that both ends protrude outwards. These two projecting bolt ends each form the stop 23 or 24 in the corner area. Because these two ends are flattened, a plate-like spatula-like stop is created. The widening also axially secures the bolt or the axis of rotation in the bearing bores of the two pole shafts. This rotatable mounting of the axis of rotation is necessary so that the stops can lie flat against the plate edges or miter surfaces 25 and 26, respectively. So this corner connector is self-aligning.

Der eine Bolzenschaft 21 besitzt eine mittige innere Lageröse 27, während der andere Polzenschaft 20 zwei in Abstand voneinander angeordnete äußere Lagerösen 28 und 29 aufweist. Deren Abstand entspricht der Dicke der inneren Lageröse, wie Fig. 5 der Zeich- nung deutlich zeigt. Diese Lagerösen sind an ihrem Schaft jeweils einstückig angefornt.One pin shaft 21 has a central inner bearing eye 27, while the other pole shaft 20 has two outer bearing eyes 28 and 29 arranged at a distance from one another. Their distance corresponds to the thickness of the inner bearing eyelet, as FIG. 5 clearly shows the drawing g . These eyelets are integrally molded on their shafts.

Während beim Ausführungsbeispiel der Fig. 1 ein Anzugskopf 12 separat gefertigt und in ein Innengewinde 14 am Ende des Bolzenschafts 10 eingeschraubt ist und der Eolnenschaft 9 keinen derartigen Anzugskopf aufweist, sind bein Ausführunasbeispiel der zweiten Ausführungsform der Erfindung an beiden Enden der Bolzenschäfte 20 und 21 je ein Anzugskopf 30 bzw. 31 vorgesehen. Dieser Anzugskopf ist mit seinem ihn tragenden Hals einstückig mit dem Bolzenschaft 20 bzw. 21 gefertigt. Jeder Anzugskopf 30, 31 arbeitet, ebenso wie beim Ausführungsbeispiel der Fig. 1, mit einem Spannelement 32 bzw. 33 zusammen, das in eine senkrecht zur Ebene der Platte 16 bzw. 17 eingebrachte Eohrung eingesteckt ist, die sich senkrecht zur Aufnahmebohrung für den Bolzenschaft 20 bzw. 21 erstreckt.While a tightening head 12 se in the embodiment of FIG. 1 manufactured and screwed into an internal thread 14 at the end of the bolt shaft 10 and the socket shaft 9 does not have such a tightening head, a tightening head 30 and 31 are provided on both ends of the bolt shafts 20 and 21 in the exemplary embodiment of the second embodiment of the invention. This suit head is made in one piece with the bolt shank 20 and 21 with its supporting neck. Each tightening head 30, 31 works, as in the embodiment of FIG. 1, with a clamping element 32 or 33, which is inserted into a hole made perpendicular to the plane of the plate 16 or 17, which is perpendicular to the receiving bore for the bolt shaft 20 or 21 extends.

Claims (14)

1. Eckverbinder für zwei im Winkel zueinander angeordnete Platten mit auf Gehrung verlaufenden Kanten, bestehend aus einem abgewinkelten Bolzen, gekennzeichnet durch mindestens einen Anschlag (6; 23, 24) im Eckbereich (5).1. Corner connector for two plates arranged at an angle to one another with mitred edges, consisting of an angled bolt, characterized by at least one stop (6; 23, 24) in the corner area (5). 2. Eckverbinder nach Anspruch 1, dadurch gekennzeichnet, daß der Anschlag (6; 23, 24) in einem dem Gehrungswinkel (3) der Platten (1,2; 16, 17; 18, 19) entsprechenden Winkel angeordnet ist.2. Corner connector according to claim 1, characterized in that the stop (6; 23, 24) is arranged at an angle corresponding to the miter angle (3) of the plates (1, 2; 16, 17; 18, 19). 3. Eckverbinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Anschlag (6) den Bolzen (4) ringförmig umgibt.3. Corner connector according to claim 1 or 2, characterized in that the stop (6) surrounds the bolt (4) in a ring. 4. Eckverbinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Anschlag (6) sternförmig ausgebildet ist.4. Corner connector according to claim 1 or 2, characterized in that the stop (6) is star-shaped. 5. Eckverbinder nach Anspruch 4, dadurch gekennzeichnet, daß die Zacken (7) des sternförmigen Anschlages (6) lanzenspitzenförmig, insbesondere mit konvexen Freitflächen (8) ausgebildet sind.5. Corner connector according to claim 4, characterized in that the prongs (7) of the star-shaped stop (6) are lance-shaped, in particular with convex free surfaces (8). 6. Eckverbinder nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sich der Eolzenschaft (9, 10; 20, 21) vom Eckbereich (5) ausgehend nach beiden Seiten verjüngt.6. corner connector according to at least one of the preceding claims, characterized in that the Eolz shaft (9, 10; 20, 21) from the corner region (5) tapers on both sides. 7. Eckverbinder nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mindestens ein Bolzenende (10) einen, insbesondere in ein Innengewinde (14) eingeschraubten, Anzugskopf (12, 13) aufweist.7. corner connector according to at least one of the preceding claims, characterized in that at least one bolt end (10), in particular in an internal thread (14) screwed, tightening head (12, 13). 8. Fckverbinder nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mindestens ein Bolzenende (9) als Finschlagschaft mit Widerhaken (11) ausgebildet ist.8. Fck connector according to at least one of the preceding claims, characterized in that at least one pin end (9) is designed as a flanged shaft with barbs (11). 9. Eckverbinder nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Bolzenschäfte (9, 10) und der Anschlag (6) einstückig gefertigt sind.9. Corner connector according to at least one of the preceding claims, characterized in that the bolt shafts (9, 10) and the stop (6) are made in one piece. 10. Eckverbinder nach wenigstens einen der Ansprüche 1, 2, 6 bis 8, dadurch gekennzeichnet, daß die beiden Bolzenschäfte (20, 21) um eine sich quer zu ihren Längsachsen erstreckende Drehachse (22) gelenkig miteinander verbunden sind.10. Corner connector according to at least one of claims 1, 2, 6 to 8, characterized in that the two bolt shafts (20, 21) are articulated to one another about an axis of rotation (22) extending transversely to their longitudinal axes. 11. Eckverbinder nach Anspruch 10, dadurch gekennzeichnet, daß die beiden Enden der Drehachse (22) die Fclzenschäfte (20, 21) überragen und die überstehenden Bolzenenden jeweils als der Anschlag (22, 24) im Fckbereich ausgebildet sind.11. Corner connector according to claim 10, characterized in that the two ends of the axis of rotation (22) protrude beyond the folding shafts (20, 21) and the protruding bolt ends each as the type blow (22, 24) are formed in the fck area. 12. Eckverbinder nach Anspruch 11, dadurch gekennzeichnet, daß die beiden Enden (23, 24) der Drehachse (22) plattenförmig gestaltet sind.12. Corner connector according to claim 11, characterized in that the two ends (23, 24) of the axis of rotation (22) are plate-shaped. 13. Eckverbinder nach wenigstens einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, daß der eine Folzenscliaft (21) eine mittige innere Lageröse (27) und der andere (20) zwei im Abstand voneinander angeordnete äußere Lagerösen (28, 29) aufweist, deren Abstand der Dicke der inneren Laaeröse (27) entspricht.13. Corner connector according to at least one of claims 10 to 12, characterized in that the one Folzenscliaft (21) has a central inner bearing eyelet (27) and the other (20) two spaced-apart outer bearing eyelets (28, 29), the Distance corresponds to the thickness of the inner eyelet (27). 14. Eckverbinder nach Anspruch 13, dadurch gekennzeichnet, daß die Lagerösen (27; 29, 29) an ihren Bolzenschaft (21, 20) einstückig angeformt sind.14. Corner connector according to claim 13, characterized in that the bearing eyes (27; 29, 29) are integrally formed on their bolt shank (21, 20).
EP84107970A 1983-08-25 1984-07-07 Angle-connection for panels, especially furniture panels Expired EP0137917B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84107970T ATE29278T1 (en) 1983-08-25 1984-07-07 CORNER CONNECTOR FOR PANELS, ESPECIALLY FURNITURE PANELS.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3330584 1983-08-25
DE3330584 1983-08-25
DE3346067 1983-12-21
DE19833346067 DE3346067A1 (en) 1983-08-25 1983-12-21 CORNER CONNECTOR FOR PANELS, ESPECIALLY FURNITURE PANELS

Publications (2)

Publication Number Publication Date
EP0137917A1 true EP0137917A1 (en) 1985-04-24
EP0137917B1 EP0137917B1 (en) 1987-09-02

Family

ID=25813440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107970A Expired EP0137917B1 (en) 1983-08-25 1984-07-07 Angle-connection for panels, especially furniture panels

Country Status (7)

Country Link
US (1) US4571115A (en)
EP (1) EP0137917B1 (en)
AU (1) AU565970B2 (en)
CA (1) CA1238761A (en)
DE (1) DE3346067A1 (en)
ES (1) ES281003Y (en)
PT (1) PT79049B (en)

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DE3610670A1 (en) * 1986-03-29 1987-10-01 Erbsloeh Julius & August Corner connector

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AU125092S (en) * 1995-03-28 1995-11-03 Abra Products Pty Ltd A connector
US6164036A (en) * 1999-01-12 2000-12-26 Atwood Mobile Products, Inc. Flexible radiused corner key for insulated glass assemblies
GB0407100D0 (en) * 2004-03-29 2004-05-05 D P Bakewell Ltd Arrangements for joining members together
ITUD20110146A1 (en) * 2011-09-22 2013-03-23 Friul Intagli Ind S P A CONNECTION DEVICE BETWEEN TWO OR MORE FURNITURE COMPONENTS
DE102019128345A1 (en) * 2019-10-21 2021-04-22 Michael Leibl Flat dowels and wooden structure
US11162296B2 (en) * 2019-11-22 2021-11-02 Alpina Manufacturing Llc Window having hinged corner arrangement
DE202022105446U1 (en) * 2022-09-28 2022-10-28 Häfele Berlin Gmbh & Co Kg Fitting for connecting two furniture panels and associated furniture assembly

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EP0006744A1 (en) * 1978-06-22 1980-01-09 CIDINGE LIMITED Trading as PANEL PLUS INDUSTRIES Coupling means ans structures, for example furniture in kit form, utilizing the same
DD144946A1 (en) * 1979-07-18 1980-11-12 Helmut Stafnitzky CORNER CONNECTOR FOR A FRAME SYSTEM

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CH606828A5 (en) * 1974-11-29 1978-11-15 Oskar Lehmann
DD125985A1 (en) * 1975-06-10 1977-06-08
EP0006744A1 (en) * 1978-06-22 1980-01-09 CIDINGE LIMITED Trading as PANEL PLUS INDUSTRIES Coupling means ans structures, for example furniture in kit form, utilizing the same
DD144946A1 (en) * 1979-07-18 1980-11-12 Helmut Stafnitzky CORNER CONNECTOR FOR A FRAME SYSTEM

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE3610670A1 (en) * 1986-03-29 1987-10-01 Erbsloeh Julius & August Corner connector

Also Published As

Publication number Publication date
DE3346067C2 (en) 1987-05-21
PT79049B (en) 1986-06-09
CA1238761A (en) 1988-07-05
AU565970B2 (en) 1987-10-01
DE3346067A1 (en) 1985-03-14
ES281003Y (en) 1987-11-16
US4571115A (en) 1986-02-18
EP0137917B1 (en) 1987-09-02
AU3220184A (en) 1985-02-28
PT79049A (en) 1984-09-01
ES281003U (en) 1987-04-01

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